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CVE-2021-33604

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Date: June 24, 2021

URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.

Language: Java

Severity Score

Related Resources (4)

https://github.com/vaadin/flow/pull/11099
https://vaadin.com/security/cve-2021-33604
https://nvd.nist.gov/vuln/detail/CVE-2021-33604
https://www.mend.io/vulnerability-database/CVE-2021-33604

Severity Score

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Upgrade to version com.vaadin:flow-server:2.6.2, 6.0.10, 7.0.0

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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